An updated facility for crystal growth with modeling of the conditions of crystallization in microgravity

被引：0

作者：

Sidorov, VS ^{[1
]}

Zakharov, BG ^{[1
]}

Serebryakov, YA ^{[1
]}

Pereverzev, AV ^{[1
]}

Nagaev, EM ^{[1
]}

Strelov, VI ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Crystallog, Space Mat Res Ctr, Kaluga 248033, Russia

来源：

INSTRUMENTS AND EXPERIMENTAL TECHNIQUES | 1999年 / 42卷 / 02期

关键词：

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The updated Zona-03 growth facility makes it possible to perform directional crystallization by the vertical Bridgman method modeling the crystallization conditions typical of microgravity. Crystallization is conducted under the conditions of controlled axial heat flux with sample heating from above at controllable axial and radial temperature gradients and a preset level of axial and torsional vibrations supplied to the melt through the seed. An IBM PC controls the facility, measures the amplitude-frequency characteristics of perturbations, and simultaneously performs the Fourier transform. Experiments studying the effect of various perturbations on the development of convection in a melt and formation of microinhomogeneities in a crystal are carried out using this facility.

引用

页码：279 / 283

页数：5

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